Machine for rending wire



"si n. nEYNoLns.,

MACHINE Foa BEND'ING WIRE. APPLICATION FILED FEBl 21, i921...

11,418,470; Patented June 6,1922.

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' STEPHEN n.. REYNOLDS,

initie? OF ENlD, MONTANA.

MACHINE FOR BENDING WIRE.

Specification of Letters 'Batentl Patented June 6, 1922.

Application led February A521, 1921. Serial No. 446,744.

-to shape or bend wirey for the production of the cylinder or barrel ofan animal dosing device, which device is shown and described in myco-pending application for an animal dosing device, filed February 21,1921, Serial No. 446,743. v

An important object of the invention is to provide a machine of theabove mentioned. character, which isof simpleconstruction, and isadapted to do the work quickly and conveniently. n

Other objects and advantages of the invention will be apparent in thecourse of the following description.

In the accompanying drawings forming a part of this specification and inwhich like numerals are employed to designate like parts throughout thesame,

Figure 1. is a side elevation of a machine embodying my invention,showing the work thereon,

Figure 2 is a plan view of the same, parts broken away,

Figure 3 is a fragmentary plan view o the spindle or mandrel, l

Figure y4 is a similar view, showing the wire in the process of bending,

Figure 5 is a transverse section taken onv line 5 5 of Figure 2, and,

Figure 6 is a similar view taken on line 6 6 of Figure 2. i i

In the drawings`r wherein for the purpose of illustration is shown apreferred embodi- `ment of my invention, the numeral 10 des-r ignates astandard` which may be vertically arranged, and rigidly secured toasuitable support. This standard carries at its upper end a bearing orsleeve 11, as shown.

Rot-atable within the bearing 11 is a preferably horizontal shaft 12,which may be held against longitudinal displacement by any suitablemeans, pins 13 passing trans-` versely through the shaft, and contactingwith 1the bearing 11, being employed for this purpose. Any suitablemeans, either power driven or manual, may be employed to rotate theshaft 12, and I have shown, for'the 'purpose of illustration, a handle14, orcrank, carrying a hand grip 15.

The forward end portion of thel shaft' 12 constitutes a spindleormandrel, designatedy at 16, andv this spindle preferably has itsforward end 17 tapered forwardly,vand continuingin va reducedextension1,8', also prefmandrel is circular in cross Vsection throughout itslength. I

The mandrel is provided witha longitudinal groove 19, extending from itsforward 'end to a transverse opening 19', vwhich is screwfthreaded. i yThe numeral 2O designates a combined looping andl holding element,preferably in the form of a screw or bolt, engaging within the opening19",A and having a head 21, and preferably provided with a washer 22.

In operation, in the production of the barrel shown in my cao-pendingapplication, herein referred to, a section of wire 23 is arranged withinthe groove'19, an open hook 24 being preferably previously formed uponthe free end of the wire. The screw 20 may be suit,-k

:muy tapering forwardly slightly. The

ably loosened, so that a portion'of the wire .l

may now be looped aboutthe screw, beneath vthe washer 22, the wire thenextending over the straight portion of the wirevin the groove 19. Thescrew 20vis now tightened up to securely clamp` the wire againstslipping.

The mandrel is now rotated clockwise, and

the wire is wound thereon,'exteriorly of the longitudinal portion of thewire, in the groove 19, forming the closely assembled y coils. Thewinding is continued untilthe hook 24 is reached, then the wire is thenpassed beneath or withinthis hook.' yThe operation of the machine isthen completed, the screw 2() may be removed, and the rbarrel thusproduced withdrawn from the mandrel by a longitudinal movement thereof.The hook 24, extending inwardly may now be completely closed. It `willthus be found that' the barrel of the dosing device is produced, withthe horizontal extension, the longitudinal guide element extendingthrough the barrel, such guide element being attached to the stemor'supporting rod of the barrel. y

It is to be understood that the form of my invention herewith shown anddescribed lis to be taken as a preferred example of the size, andarrangement of parts may be resorted to Without departing from thespirit of my invention or the scope of the snbjoined claims.

Having thus described my invention, whatv l claim is:

l. A machine of the character described7 comprising a support,a-lspindle. carried by the support, said spindle having a longitudinalgroove, a looping element carried by the spindle and arranged nearthegroove, and means to turn the spindle.

2. A machine of the character described,

ture.

comprising a support, a spindle carried by the support and having asubstantially straight grooveextending longitudinally thereof, and ascrew-threaded opening at 'the inner end o'l the groove `and arrangedtransversely of thev spindle, and a loopingpin havingscrew-threadedengagement Within the screw-threaded opening; t y y l. Amachine of the character described, comprising asnppor't, a spindlecarried.'

thereby and tapering forwardly, a substantially straight grooveextending longitu dinally of the spindle, said spindle having atransverse screw-threaded opening at the inner end of said groove, alooping pin engaging Within'the. screw-threaded opening, and means toturn the spindle.

In testimony whereof I' ailiX my signasTErHEN n. REYNOLDS).

